qwerty20 qwerty20
  • 22-10-2016
  • Mathematics
contestada

I need help is it A B C or D

I need help is it A B C or D class=

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alawiali3107
alawiali3107 alawiali3107
  • 22-10-2016
let maria drive for x hours, then 

51x + 53(5-x) = 258 
265 - 2x = 258 
2x = 7 
x = 3.5 hours 
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